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Mathematics examination paper of unit 1 in the second volume of grade four.
Fill in the blanks. (2 points for each question, ***20 points)

(1) When calculating (2000—36×47)÷44, the method () should be calculated first and the method () should be calculated last.

(2) 180×650—320÷80. If you want to change the operation order, you must use parentheses to calculate the subtraction first. The formula is. () (3) According to 500÷ 125=4, 4+404=408, a comprehensive formula is ().

(4) The original plan was completed on 2 1 day, but it was actually completed five days ahead of schedule, and the task was actually completed () days.

(5) Five people weave 80 baskets in four days, and each person weaves () baskets every day.

(6) The number of A is 52 times that of B .. ① If B is 364, then A is ();

② If the number A is 364, then the number B is ().

(7) What is the difference between the quotient of 78 and 39 divided by 585 and 265? Column into a comprehensive formula is ().

(8) Divide 182 by the quotient of 13 and multiply it by the difference between 28 and 14. What is the product? Column into a comprehensive formula is ().

(9) The maximum daily temperatures measured by a meteorological team in a week are 365,438 0℃, 33℃, 34℃, 32℃, 30℃, 35℃ and 29℃ respectively. The highest temperature this week is ()℃, and the average highest temperature is ()℃.

(10) adapt the formula into a text question.

5×(3+7):___________________________

5×3+7:______________________________

Second, the judgment question. (tick "√" for the right and "×" for the wrong, ** 10).

(1)75×8 represents the sum of eight 75s. () (2) The number less than 200 times 2 is 198. ( )

(3) If the number of B is less than the number of A by 2, then the number of A is more than the number of B by 2 .. ()

(4) The sum of the minuend, the minuend and the difference is equal to twice the minuend. ( )

(5)25×4÷25×4= 1 ( )

Third, multiple choice questions. (each question 1, *** 10. Fill in the correct serial number. )

(1) A number is 1 multiple of B number, and A number () B number. ①& gt; ②=③& lt;

(2) What is the quotient of 44 sums of 25 divided by 1 1 times of 25? The formula should be ().

① 25×44÷25× 1 1 ② 25×44÷(25× 1 1)

③(44+25)÷(25× 1 1) ④ (44×25)÷(25× 1 1)

(3) The sum of the minuend, subtraction and difference is 96, so the minuend is (). ①96 ②48 ③69 ④ The conditions are not enough.

(4) Six young pioneers, planting 30 trees in the morning and 24 trees in the afternoon. How many trees does each young pioneer plant on average? The correct answer is ().

①5, ②4, ③9, ④6.

(5) Six people can make 36 toys in three days. How many toys can an average person make in three days? The correct formulation is ().

①30÷6÷3 ②36÷3 ③36÷6 ④36÷6×3

Fourth, the calculation problem. (***35 points)

(1) Numbers are written directly. (8 points)

14×6= 80÷ 16= 62—5×6= 45×3=

320+80×3= 100+ 100×0= 7×7÷7×7= 64÷64×7=

(2) Calculation of parting. (18)

1。 36×(9 13—276) 2。 (93+25×2 1)×9 3。 507÷ 13×63+498

4。 723—(52 1+504)÷25 5。 384÷ 12+23×37 1 6。 (39—2 1)×(396÷6)

(3), column calculation (9 points)

1。 96 minus 35 times the sum of 63 and 25, what is the product?

2。 What is the difference between the quotient of 2727 divided by 9 and the product of 36 and 43?

3。 What is the quotient of the difference between 3 and 9 divided by the sum of 336 and 474?

Verb (abbreviation of verb) application questions (5 points for each question, ***25 points. )

1。 A chemical fertilizer plant produces 3 10 tons of chemical fertilizer in January, 400 tons in February and 490 tons in March. How many tons of chemical fertilizer are produced on average every month?

2。 A horse eats 12 kg of grass every day. According to this calculation, how many kilograms of grass can 25 horses eat a week?

3。 Master Wang and his apprentice make machine parts. Master Wang earns 45 pounds an hour, while his apprentice earns 28 pounds an hour. Master Wang works 6 hours and his apprentice works 8 hours. How many machine parts do they produce?

4。 The factory has 8000 kilograms of coal, which was originally planned to burn for 25 days. Due to the improvement of the stove, it actually burned for 32 days. How many kilograms are saved on average every day compared with the original plan?

5。 The site needs 1280 bags of cement, and all four transports need 8 carts. How many bags of fertilizer can a cart carry at a time?